Lee-W commented on code in PR #45960:
URL: https://github.com/apache/airflow/pull/45960#discussion_r1969549354
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task_sdk/src/airflow/sdk/execution_time/context.py:
##########
@@ -281,6 +283,84 @@ def _get_asset_from_db(name: str | None = None, uri: str |
None = None) -> Asset
return Asset(**msg.model_dump(exclude={"type"}))
[email protected](init=False)
+class InletEventsAccessors(Mapping[Union[int, Asset, AssetAlias, AssetRef],
Any]):
+ _inlets: list[Any]
+ _assets: dict[AssetUniqueKey, Asset]
+ _asset_aliases: dict[AssetAliasUniqueKey, AssetAlias]
+
+ def __init__(self, inlets: list) -> None:
+ self._inlets = inlets
+ self._assets = {}
+ self._asset_aliases = {}
+
+ for inlet in inlets:
+ if isinstance(inlet, Asset):
+ self._assets[AssetUniqueKey.from_asset(inlet)] = inlet
+ elif isinstance(inlet, AssetAlias):
+
self._asset_aliases[AssetAliasUniqueKey.from_asset_alias(inlet)] = inlet
+ elif isinstance(inlet, AssetNameRef):
+ asset =
OutletEventAccessors._get_asset_from_db(name=inlet.name)
+ self._assets[AssetUniqueKey.from_asset(asset)] = asset
+ elif isinstance(inlet, AssetUriRef):
+ asset = OutletEventAccessors._get_asset_from_db(uri=inlet.uri)
+ self._assets[AssetUniqueKey.from_asset(asset)] = asset
+
+ def __iter__(self) -> Iterator[Asset | AssetAlias]:
+ return iter(self._inlets)
+
+ def __len__(self) -> int:
+ return len(self._inlets)
+
+ def __getitem__(self, key: int | Asset | AssetAlias | AssetRef):
+ from airflow.sdk.definitions.asset import Asset
+
+ if isinstance(key, int): # Support index access; it's easier for
trivial cases.
+ obj = self._inlets[key]
+ if not isinstance(obj, (Asset, AssetAlias, AssetRef)):
+ raise IndexError(key)
+ else:
+ obj = key
+
+ return self._get_asset_events_from_db(obj)
+
+ # TODO: This is temporary to avoid code duplication between here &
airflow/models/taskinstance.py
Review Comment:
so my guess of why we did it is because we still cannot do `from
airflow.sdk.execution_time.task_runner import SUPERVISOR_COMMS` because of
other task SDK issus
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